Drug resistance and Doxy PEP: Should we worry?

In late 2022, the San Francisco Department of Public Health and San Francisco AIDS Foundation began recommending an STI prevention strategy called “Doxy PEP” to certain groups of people who may be at risk for STIs. The strategy involves taking the antibiotic doxycycline after sex in order to prevent bacterial STIs including chlamydia, syphilis, and gonorrhea from being acquired.  Since we made this recommendation, we’ve received some questions from community members about how this approach may contribute to drug resistance–and if that’s a concern for people to be aware of before beginning Doxy PEP. Here are my thoughts on Doxy […]